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DE-survey
differential evolution
- 2011-05-23 14:35:25下载
- 积分:1
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WT
说明: 此程序用提升法实现第二代小波变换,我用的是非整数阶小波变换(the procedure used to upgrade method is the second generation wavelet transform, I use a non-integer wavelet transform)
- 2007-07-08 11:03:56下载
- 积分:1
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matlab_simulation_of_v2v
V2V,即车载通信matlab仿真参考文档,国外研究生成果,仅供参考(V2V, or vehicle communication matlab simulation reference documentation, the results of foreign graduate students, for reference only)
- 2021-01-17 14:58:44下载
- 积分:1
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cilunzhenduan
说明: 齿轮故障诊断源代码,特别是针对点蚀故障,主要利用小波削噪功能检测微弱故障信号(Gear fault diagnosis source code, especially for pitting failure, the main use of wavelet noise reduction function weak fault signal)
- 2008-09-25 16:46:03下载
- 积分:1
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RefineAlignments
multipe sequence alignment in matlab
- 2011-10-26 00:46:07下载
- 积分:1
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Mingham2Feb2011
Introductory Finite Difference Methods for
PDEs
- 2012-11-20 02:01:31下载
- 积分:1
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eemd能量熵
说明: 有EEMD分解的源程序,可求解分量信号的能量熵(Source program containing EEMD to solve the energy entropy of component signals)
- 2021-03-02 19:29:33下载
- 积分:1
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imageprocess
数学形态学对信号进行去噪,效果较好,信号扰动特征得到很好保留(Morphology of the signal de-noising effect is good, the signal disturbance characteristics are well retained)
- 2010-08-03 14:06:40下载
- 积分:1
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11
说明: empirical formula with kaiser
clc
clear all
fs=1000
fc=250
df=50
r=0.001
f=fc/fs
dw=2*pi*(df/fs)
a=-20*log(r)
n=floor(((a-8)/(2.285*dw))+1)
if a>50
b=0.1102*(a-8.7)
elseif a>=21 && a<=50
b=0.5842*((a-21)^0.4)+0.07886*(a-21)
elseif a<21
b=0.0
end
w=kaiser(n,b)
for i=1:n
if i~=(n-1)/2
hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f)
elseif i==(n-1)/2
hd(i)=2*f
end
end
for j=1:n
h(j)=w(j)*hd(j)
end
subplot(3,1,1), plot(w)
subplot(3,1,2), plot(h)
subplot(3,1,3), plot(h,n)
- 2014-12-24 23:20:03下载
- 积分:1
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Zvuchok
audio output via SSP interface microcontroller LPTS2478, in good quality. Binary code is stored in flash sound memory of the microcontroller.
- 2015-04-03 02:55:15下载
- 积分:1